2018 Ford Flex Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2018 Ford Flex and How to Address Them Effectively

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
80% chance it's the
Oil System Components
0%
20% chance it's the
Engine Gaskets
The most common reasons a 2018 Ford Flex is leaking oil are oil system component failure and leaking engine gaskets.
  • Oil System Components: A worn or damaged oil pump or filter can lead to low oil pressure, resulting in inadequate lubrication and potential engine damage.
  • Engine Gaskets: A worn or damaged engine gasket can lead to oil or coolant leaks, resulting in engine overheating or loss of lubrication.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2018 Ford Flex is leaking oil?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Oil pans don't wear out or break like other parts, they generally only need to be replaced because of external damage from an accident or an improperly tightened drain plug. The main symptom you will experience is an oil leak underneath the engine of your car. The oil that leaks from a damaged oil pan will range from dark brown to dark black. If the leak is large enough or occurs for long enough the oil level will be low enough to turn the oil pressure or low oil level warning light on.

The engine oil pressure warning light will come on if the engine oil pressure is low, or if the oil pressure sensor is faulty. In either case, engine power may be reduced significantly. The check engine light may also illuminate, and an on-board diagnostic (OBD) trouble code will be stored in the vehicle's computer.

What are the potential causes and diagnostic steps for an oil leak in a 2018 Ford Flex?

When faced with an oil leak in your 2018 Ford Flex, it's essential to adopt a systematic diagnostic approach to identify the root cause effectively. Start with a thorough visual inspection under the vehicle to spot any obvious signs of oil pooling or dripping. Next, check the oil level in the engine; a significant drop can indicate a leak that needs immediate attention. Pay close attention to the gaskets and seals, as these components often wear out over time and can lead to leaks. Inspect the oil pan for any cracks or damage, as this can be a common source of oil loss. Additionally, ensure that the oil filter is properly installed and free from damage, as a faulty filter can also contribute to leaks. Don't overlook the oil cooler lines; any signs of wear or leaks here should be addressed promptly. If the source of the leak remains elusive, consider conducting a pressure test to pinpoint the exact location of the issue. By following these diagnostic steps, you can effectively identify and resolve the oil leak, ensuring your Ford Flex remains in optimal condition.

What are the common causes of oil leaks in a 2018 Ford Flex?

When diagnosing oil leaks in a 2018 Ford Flex, it's essential to understand the common culprits that may be at play. One frequent issue is a degraded or damaged oil pan gasket, which can wear out over time and lead to significant leaks. Additionally, a faulty or improperly installed oil filter can also be a source of leaks, as it may not create a proper seal, allowing oil to escape. Another area to inspect is the valve cover gasket, which can deteriorate with age, resulting in oil seeping out. Furthermore, leaking oil cooler lines can contribute to oil loss, especially if they are damaged or worn. Lastly, a cracked or damaged oil pan can lead to leaks from the bottom of the engine, necessitating immediate attention. By being aware of these common causes, DIYers can take proactive steps to identify and rectify oil leaks, ultimately protecting their vehicle's engine from further damage.

How urgent is it to address the oil leak in my 2018 Ford Flex?

Addressing an oil leak in your 2018 Ford Flex is not just a matter of routine maintenance; it is a pressing concern that requires immediate attention. An oil leak can significantly reduce your engine's oil levels, leading to inadequate lubrication, which may result in severe engine damage over time. Furthermore, neglecting this issue can escalate into more serious problems, such as engine overheating or even catastrophic engine failure, which can be costly to repair. Additionally, the safety risks associated with oil leaks cannot be overlooked; oil dripping onto hot engine components poses a fire hazard that could endanger both you and your vehicle. By taking prompt action to fix the oil leak, you not only safeguard your engine's health but also ensure the safe operation of your Ford Flex. Therefore, if you notice any signs of an oil leak, it is crucial to address it without delay to prevent further complications and maintain the longevity of your vehicle.

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